<<extension>> Kinds of reasons why a sample was lost. More...
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Detailed Description
<<extension>> Kinds of reasons why a sample was lost.
Member Data Documentation
◆ NOT_LOST
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static |
The sample was not lost.
This constant is an extension to the DDS standard. MONITOR-273 We assign an integer to the names in order to be compatible with the DDSMonitoring types. If new values are added, update DataReaderTest.testGetAndSetSampleLostStatus
◆ LOST_BY_WRITER
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static |
A com.rti.dds.publication.DataWriter removed the sample before being received by the com.rti.dds.subscription.DataReader.
This constant is an extension to the DDS standard.
◆ LOST_BY_INSTANCES_LIMIT
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static |
A resource limit on the number of instances (com.rti.dds.infrastructure.ResourceLimitsQosPolicy.max_instances) was reached.
This constant is an extension to the DDS standard.
◆ LOST_BY_REMOTE_WRITERS_PER_INSTANCE_LIMIT
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static |
A resource limit on the number of remote writers for a single instance from which a com.rti.dds.subscription.DataReader may read (com.rti.dds.infrastructure.DataReaderResourceLimitsQosPolicy.max_remote_writers_per_instance) was reached.
This constant is an extension to the DDS standard.
◆ LOST_BY_INCOMPLETE_COHERENT_SET
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static |
A sample is lost because it is part of an incomplete coherent set. An incomplete coherent set is a coherent set for which some of the samples are missing.
For example, consider a com.rti.dds.publication.DataWriter using com.rti.dds.infrastructure.HistoryQosPolicyKind.HistoryQosPolicyKind.KEEP_LAST_HISTORY_QOS with a depth of 1. The DataWriter publishes two samples of the same instance as part of a coherent set 'CS1'; the first sample of 'CS1' is replaced by a new sample before it can be successfully delivered to the com.rti.dds.subscription.DataReader. In this case, the coherent set containing the two samples is considered incomplete. The new sample, by default, will not be provided to the application, and will be reported as LOST_BY_INCOMPLETE_COHERENT_SET. (You can change this default behavior by setting com.rti.dds.infrastructure.PresentationQosPolicy.drop_incomplete_coherent_set to FALSE. If you do, the new sample will be provided to the application, but it will be marked as part of an incomplete coherent set in the com.rti.dds.subscription.SampleInfo structure.)
This constant is an extension to the DDS standard.
◆ LOST_BY_LARGE_COHERENT_SET
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static |
A sample is lost because it is part of a large coherent set. A large coherent set is a coherent set that cannot fit all at once into the com.rti.dds.subscription.DataReader queue because resource limits are exceeded.
For example, if com.rti.dds.infrastructure.ResourceLimitsQosPolicy.max_samples_per_instance on the DataReader is 10 and the coherent set has 15 samples for a given instance, the coherent set is a large coherent set that will be considered incomplete.
The resource limits that can lead to large coherent sets are: com.rti.dds.infrastructure.ResourceLimitsQosPolicy.max_samples, com.rti.dds.infrastructure.ResourceLimitsQosPolicy.max_samples_per_instance, com.rti.dds.infrastructure.ResourceLimitsQosPolicy.max_instances, and com.rti.dds.infrastructure.DataReaderResourceLimitsQosPolicy.max_samples_per_remote_writer.
This constant is an extension to the DDS standard.
◆ LOST_BY_SAMPLES_PER_REMOTE_WRITER_LIMIT
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static |
When using com.rti.dds.infrastructure.ReliabilityQosPolicyKind.BEST_EFFORT_RELIABILITY_QOS: a resource limit on the number of samples from a given remote writer that a com.rti.dds.subscription.DataReader may store (com.rti.dds.infrastructure.DataReaderResourceLimitsQosPolicy.max_samples_per_remote_writer) was reached. When using com.rti.dds.infrastructure.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS, reaching com.rti.dds.infrastructure.DataReaderResourceLimitsQosPolicy.max_samples_per_remote_writer will trigger a rejection, not a loss, with reason com.rti.dds.subscription.SampleRejectedStatusKind.REJECTED_BY_SAMPLES_PER_REMOTE_WRITER_LIMIT.
This constant is an extension to the DDS standard.
◆ LOST_BY_VIRTUAL_WRITERS_LIMIT
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static |
A resource limit on the number of virtual writers from which a com.rti.dds.subscription.DataReader may read (com.rti.dds.infrastructure.DataReaderResourceLimitsQosPolicy.max_remote_virtual_writers) was reached.
This constant is an extension to the DDS standard.
◆ LOST_BY_REMOTE_WRITERS_PER_SAMPLE_LIMIT
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static |
A resource limit on the number of remote writers per sample (com.rti.dds.infrastructure.DataReaderResourceLimitsQosPolicy.max_remote_writers_per_sample) was reached.
This constant is an extension to the DDS standard.
◆ LOST_BY_AVAILABILITY_WAITING_TIME
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static |
com.rti.dds.infrastructure.AvailabilityQosPolicy.max_data_availability_waiting_time expired.
This constant is an extension to the DDS standard.
◆ LOST_BY_REMOTE_WRITER_SAMPLES_PER_VIRTUAL_QUEUE_LIMIT
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static |
A resource limit on the number of samples published by a remote writer on behalf of a virtual writer that a com.rti.dds.subscription.DataReader may store was reached. (This field is currently not used.)
This constant is an extension to the DDS standard.
◆ LOST_BY_OUT_OF_MEMORY
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static |
A sample was lost because there was not enough memory to store the sample.
This constant is an extension to the DDS standard.
◆ LOST_BY_UNKNOWN_INSTANCE
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static |
A received sample was lost because it doesn't contain enough information for the reader to know what instance it is associated with.
This constant is an extension to the DDS standard.
◆ LOST_BY_DESERIALIZATION_FAILURE
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static |
A received sample was lost because it could not be deserialized.
This constant is an extension to the DDS standard.
◆ LOST_BY_DECODE_FAILURE
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static |
When using com.rti.dds.infrastructure.ReliabilityQosPolicyKind.BEST_EFFORT_RELIABILITY_QOS: A received sample was lost because it could not be decoded. When using com.rti.dds.infrastructure.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS, the sample will be rejected, not lost, with reason com.rti.dds.subscription.SampleRejectedStatusKind.REJECTED_BY_DECODE_FAILURE.
This constant is an extension to the DDS standard.
◆ LOST_BY_SAMPLES_PER_INSTANCE_LIMIT
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static |
When using com.rti.dds.infrastructure.ReliabilityQosPolicyKind.BEST_EFFORT_RELIABILITY_QOS: A resource limit on the number of samples per instance (com.rti.dds.infrastructure.ResourceLimitsQosPolicy.max_samples_per_instance) was reached. When using com.rti.dds.infrastructure.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS, reaching com.rti.dds.infrastructure.ResourceLimitsQosPolicy.max_samples_per_instance will trigger a rejection, not a loss, with reason com.rti.dds.subscription.SampleRejectedStatusKind.REJECTED_BY_SAMPLES_PER_INSTANCE_LIMIT.
This constant is an extension to the DDS standard.
◆ LOST_BY_SAMPLES_LIMIT
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static |
When using com.rti.dds.infrastructure.ReliabilityQosPolicyKind.BEST_EFFORT_RELIABILITY_QOS: A resource limit on the number of samples (com.rti.dds.infrastructure.ResourceLimitsQosPolicy.max_samples) was reached. When using com.rti.dds.infrastructure.ReliabilityQosPolicyKind.RELIABLE_RELIABILITY_QOS, reaching com.rti.dds.infrastructure.ResourceLimitsQosPolicy.max_samples will trigger a rejection, not a loss, with reason com.rti.dds.subscription.SampleRejectedStatusKind.REJECTED_BY_SAMPLES_LIMIT.
This constant is an extension to the DDS standard.